PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-15:57:30
G02     50.1           41.4                9.7 +/-    0.48      13.8 +/-    0.48  0.040 / 0.060
G05     86.7           70.8                8.8 +/-    0.48       9.2 +/-    0.48  0.050 / 0.050
G12     184.9          41.5               12.0 +/-    1.70      17.0 +/-    1.70  0.200 / 0.560
G21     264.2          11.9                8.3 +/-    3.86      22.3 +/-    3.86  0.250 / 0.620
G25     247.2          57.4               12.1 +/-    0.93      14.1 +/-    0.93  0.070 / 0.080
G29     322.1          45.5                9.0 +/-    1.51      12.0 +/-    1.51  0.050 / 0.070